Success story · Ergonomic computer mice
Comfi II and Wow Pen Joy II: fifteen years in the hand
How ILG built two vertical ergonomic mice into a long-running product line with more than 250,000 units sold, a presence on about 70,000 U.S. websites and distribution around the world.
250,000+
units sold
~70,000
U.S. retail websites
15+ years
continuously on the market
4 countries
international partners
The problem worth solving
Most people spend their workday with a conventional mouse, palm flat and forearm twisted. Over hours, days and years, that position strains the wrist and forearm. Ergonomic mice existed, but many were priced like specialty medical equipment, putting them out of reach for the everyday office worker, student or home user who needed them most.
ILG set out to close that gap: genuine ergonomic relief at close to the price of a regular mouse, with enough choice that almost anyone could find a fit. The answer was two distinct designs, each built in wired and wireless versions.
Comfi II
The handshake grip


The Comfi II holds the hand in a relaxed, handshake-style position that keeps the wrist and forearm aligned for long stretches of work without fatigue. Its low, rounded shape feels familiar from the first minute, which makes it an easy first step into ergonomic computing.
The second generation was completely re-engineered, adding an adjustable DPI button, advanced optical sensors and six programmable buttons. It works with Windows, macOS and Linux right out of the box.
Colors: Black and White
Wow Pen Joy II
The upright, pen-style grip


For users who want a more vertical position, the Wow Pen Joy II stands taller, with a sculpted body the hand wraps around almost like a joystick or pen. Six buttons put left, right and middle click, forward and back, and an on-the-fly DPI switch all within easy reach.
The wireless version runs on a built-in rechargeable lithium polymer battery, so there are no disposable batteries to replace. Like the Comfi II, it is plug-and-play on Windows, macOS and Linux.
Colors: Black and Silver
The line-up
| Model | Version | Colors | Part numbers |
|---|---|---|---|
| Comfi II | Wired USB | Black, White | EM011-BK, EM011-W |
| Comfi II | Wireless 2.4 GHz | Black, White | EM011-BKW, EM011-WW |
| Wow Pen Joy II | Wired USB | Black, Silver | WP-012-BK-E, WP-012-S-E |
| Wow Pen Joy II | Wireless 2.4 GHz, rechargeable | Black, Silver | WP-012-BK-EW, WP-012-S-EW |
Built by trusted partners
Both mice are manufactured in China by partners ILG has worked with for years. Those long-standing relationships are what keep quality consistent from one production run to the next, keep costs competitive enough to hold an accessible retail price, and keep supply steady enough to support a product line that has stayed on the market for more than fifteen years.
Reaching 70,000 websites
A great product only succeeds if customers can find it. ILG partnered with the largest electronics distributors in the United States, putting the Comfi II and Wow Pen Joy II in front of the thousands of resellers that supply consumers, businesses, schools and government agencies.
That distribution strategy placed both mice on roughly 70,000 websites, from major national retailers and office supply chains to the specialist IT resellers that corporate purchasing departments rely on. More than 250,000 units have sold through those channels to date.
Going worldwide
Wrist and forearm strain is a global problem, and the demand for affordable ergonomic mice is global too. ILG established distribution partners in Germany, the United Kingdom, Sweden and the Czech Republic. Each partner sells thousands of units a year in its territory, giving the line a steady international base alongside its U.S. business.
Why it worked
- The right price point. Real ergonomic benefits at close to the cost of a standard mouse opened the category to everyday buyers.
- Real choice. Two grip styles, wired and wireless versions and multiple colors cover nearly every user’s preference.
- Distribution at scale. Partnering with the largest U.S. distributors created reach that no direct-sales effort could match.
- Long-term partnerships. Trusted factories and international distributors kept the line growing, year after year, for more than fifteen years.
See both mice in our product showcase.
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